620545538

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4861}}^1$

素因数の和:4994

約数の個数: 32

約数和(自身を含む): 1008184320

約数和(自身を除く): 387638782

約数列:

[1, 2, 29, 31, 58, 62, 71, 142, 899, 1798, 2059, 2201, 4118, 4402, 4861, 9722, 63829, 127658, 140969, 150691, 281938, 301382, 345131, 690262, 4370039, 8740078, 10008799, 10699061, 20017598, 21398122, 310272769, 620545538]

約数ペア:

[(1, 620545538), (2, 310272769), (29, 21398122), (31, 20017598), (58, 10699061), (62, 10008799), (71, 8740078), (142, 4370039), (899, 690262), (1798, 345131), (2059, 301382), (2201, 281938), (4118, 150691), (4402, 140969), (4861, 127658), (9722, 63829)]